One of the posters at the board i run,
www.a-10.org, works for the NSA- i know the fellow personally.
There is also a former E-2C mission coordinator that posts at another board that i frequent that is very up to speed on this stuff.
While the exact capabilities are very closely guarded, the general operating principles are not.
Just ask the Colonel how long it takes to get a photo recon plane or satellite image of the battlefield. It is a much more drawn out process than you realize, believe me.